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发明名称
积层型正温度系数(PTC)热敏电阻元件
摘要
申请公布号
TWI478182
申请公布日期
2015.03.21
申请号
TW102126547
申请日期
2013.07.24
申请人
村田制作所股份有限公司
发明人
青戸渉;西乡有民;胜勇人;并河康训
分类号
H01C7/02;C04B35/468
主分类号
H01C7/02
代理机构
代理人
陈长文 台北市松山区敦化北路201号7楼
主权项
一种积层型正温度系数(PTC)热敏电阻元件,其包括:陶瓷基体,其包含复数个陶瓷层;复数个内部电极,其形成于上述陶瓷基体内;及外部电极,其与上述内部电极电性导通,且形成于上述陶瓷基体之表面上;且上述陶瓷基体之平均瓷器粒径为0.3[μm]以上、未达0.8[μm];上述陶瓷基体之相对密度之下限值为70[%];若将上述平均瓷器粒径设为d,则上述陶瓷基体之相对密度之上限值为-6.43d+97.83[%]。
地址
日本
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